Communication method, apparatus, and system

Abstract

This application provides a communication method, apparatus, and system, and belongs to the field of communication technologies. In the method, a network device may send first indication information to a terminal based on service requirements of different services, to indicate the terminal to enter a first sleep mode whose wake-up duration matches a service requirement of the terminal, so that even if the terminal is woken up in the first sleep mode, subsequent data transmission of the terminal can still meet the service requirement of the terminal.

1 . An apparatus, comprising:
 one or more processors in communication with a non-transitory memory storing computer instructions that, when executed by the one or more processors, cause the apparatus to:   receive first indication information indicating a terminal to enter a first sleep mode, wherein the first sleep mode is one of a plurality of sleep modes of the terminal, a duration required for waking up the terminal in the plurality of sleep modes is different from each other, and a duration required for waking up the terminal in the first sleep mode matches a service requirement of the terminal; and   enter the first sleep mode in response to the first indication information.   
     
     
         2 . The apparatus according to  claim 1 , wherein the apparatus is further caused to:
 receive the first indication information in an active time of a discontinuous reception (DRX) cycle.   
     
     
         3 . The apparatus according to  claim 2 , wherein the apparatus is further caused to:
 disable, in response to the first indication information, at least one timer configured in the active time, wherein the at least one timer comprises a DRX-inactivity timer or a DRX-on duration timer.   
     
     
         4 . The apparatus according to  claim 1 , wherein the apparatus is further caused to:
 receive the first indication information in a non-active time of a discontinuous reception (DRX) cycle.   
     
     
         5 . The apparatus according to  claim 1 , wherein the apparatus is further caused to:
 receive the first indication information in a second sleep mode, wherein the second sleep mode is different from the first sleep mode and the second sleep mode is one of the plurality of sleep modes.   
     
     
         6 . The apparatus according to  claim 1 , wherein the apparatus is further caused to:
 receive second indication information indicating the terminal needs to be woken up; and   in response to the second indication information, wake the terminal up in the first sleep mode, and enter any one of the following times: an active time, a discontinuous reception (DRX) short cycle, or a DRX long cycle.   
     
     
         7 . The apparatus according to  claim 6 , wherein the apparatus is further caused to:
 if the first sleep mode is a micro-sleep mode, enter the active time;   if the first sleep mode is a light sleep mode, enter the DRX short cycle; or   if the first sleep mode is an ultra-deep sleep mode, enter the DRX long cycle.   
     
     
         8 . The apparatus according to  claim 7 , wherein
 the second indication information further indicates at least one of: whether to zero out an existing count of the DRX short cycle, whether to reuse the count of the DRX short cycle, or a quantity of DRX short cycles.   
     
     
         9 . The apparatus according to  claim 7 , wherein the second indication information further indicates a quantity of DRX long cycles. 
     
     
         10 . The apparatus according to  claim 6 , wherein
 a time of being woken up in the first sleep mode is a first time;   if the first sleep mode is a micro-sleep mode, the first time is a time at which the second indication information is received;   if the first sleep mode is a light sleep mode, a time at which the second indication information is received is a second time before the first time, and a time difference between the first time and the second time is a duration required for being woken up in the light sleep mode; or   if the first sleep mode is an ultra-deep sleep mode, a time at which the second indication information is received is a third time before the first time, a time difference between the first time and the third time is a duration required for being woken up in the ultra-deep sleep mode, and the time difference between the first time and the third time is greater than the time difference between the first time and the second time.   
     
     
         11 . The apparatus according to  claim 6 , wherein the apparatus is further caused to:
 receive third indication information on, or after, any of the active time, the DRX short cycle, or the DRX long cycle, wherein the third indication information indicates the terminal to enter any one of the following times: the active time, the DRX short cycle, or the DRX long cycle, or the third indication information indicates the terminal to enter a sleep mode of the plurality of sleep modes.   
     
     
         12 . The apparatus according to  claim 1 , wherein entering the first sleep mode includes a main radio entering the first sleep mode, and being woken up in the first sleep mode includes the main radio being woken up in the first sleep mode; and a secondary radio is configured to monitor, in at least a partial time of the non-active time of the DRX cycle and on a preset bandwidth part, indication information used to wake up the main radio. 
     
     
         13 . An apparatus, comprising:
 one or more processors in communication with a non-transitory memory storing computer instructions that, when executed by the one or more processors, cause the apparatus to:   obtain first indication information indicating a terminal to enter a first sleep mode, wherein the first sleep mode is a stage one of a plurality of sleep modes of the terminal, a duration required for waking up the terminal in the plurality of sleep modes is different from each other, and a duration required for waking up the terminal in the first sleep mode matches a service requirement of the terminal; and   send the first indication information to the terminal.   
     
     
         14 . The apparatus according to  claim 13 , wherein the apparatus is further caused to:
 send the first indication information to the terminal in an active time of a discontinuous reception (DRX) cycle of the terminal.   
     
     
         15 . The apparatus according to  claim 13 , wherein the apparatus is further caused to:
 send the first indication information to the terminal in a non-active time of a discontinuous reception (DRX) cycle of the terminal.   
     
     
         16 . The apparatus according to  claim 13 , wherein the apparatus is further caused to:
 send the first indication information to the terminal when the terminal is in a second sleep mode, wherein the second sleep mode is different from the first sleep mode and the second sleep mode is one of the plurality of sleep modes.   
     
     
         17 . The apparatus according to  claim 13 , wherein the apparatus is further caused to:
 send second indication information to the terminal, wherein the second indication information indicates the terminal needs to be woken up.   
     
     
         18 . An apparatus, comprising:
 one or more processors in communications with a non-transitory memory storing computer instructions that, when executed by the one or more processors, cause the apparatus to:   enter a first sleep mode when a non-active time of a discontinuous reception (DRX) cycle begins, wherein the first sleep mode corresponds to a duration of the DRX cycle and the first sleep mode is one of a plurality of sleep modes, and a duration required for waking up a terminal, in the plurality of sleep modes, is different from each other;   receive fourth indication information indicating the terminal needs to be woken up; and   wake up in the first sleep mode in response to the fourth indication information.   
     
     
         19 . The apparatus according to  claim 18 , wherein
 if the duration of the DRX cycle is greater than or equal to a first duration, the first sleep mode is an ultra-deep sleep mode;   if the duration of the DRX cycle is less than the first duration and is greater than or equal to a second duration, the first sleep mode is a light sleep mode; or   if the duration of the DRX cycle is less than the second duration, the first sleep mode is a micro-sleep mode, wherein   a duration required for waking up the terminal in the micro-sleep mode is less than a duration required for waking up the terminal in the light sleep mode, and the duration required for waking up the terminal in the light sleep mode is less than a duration required for waking up the terminal in the ultra-deep sleep mode.   
     
     
         20 . The apparatus according to  claim 18 , wherein
 if the DRX cycle is a DRX long cycle, the first sleep mode is an ultra-deep sleep mode;   if the DRX cycle is a DRX short cycle, and no data is received or sent in the DRX short cycle, the first sleep mode is a light sleep mode; or   if the DRX cycle is a DRX short cycle, and data is received or sent in the DRX short cycle, the first sleep mode is a micro-sleep mode, wherein   a duration required for waking up the terminal in the micro-sleep mode is less than a duration required for waking up the terminal in the light sleep mode, and the duration required for waking up the terminal in the light sleep mode is less than a duration required for waking up the terminal in the ultra-deep sleep mode.